ezcache / ezcache.php

ezcache.php in ezCache 2.5.4, at ezcache.php

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1	<?php
2	/*
3	Plugin Name: ezCache
4	Description: 🚀 ezCache 2026 — Lightning-fast WordPress caching with CSS/JS optimization, WebP images, preloading, database cleanup & more. Free & Pro.
5	Plugin URI: https://ezcache-wp.com
6	Version: 2.5.4
7	Author: uPress
8	Author URI: https://www.upress.io
9	Text Domain: ezcache
10	Domain Path: /languages/
11	License: GPLv2 or later
12	License URI: http://www.gnu.org/licenses/gpl-2.0.html
13
14	This program is free software; you can redistribute it and/or modify
15	it under the terms of the GNU General Public License as published by
16	the Free Software Foundation; either version 2 of the License, or
17	(at your option) any later version.
18
19	This program is distributed in the hope that it will be useful,
20	but WITHOUT ANY WARRANTY; without even the implied warranty of
21	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22	GNU General Public License for more details.
23
24	You should have received a copy of the GNU General Public License
25	along with this program; if not, write to the Free Software
26	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27	*/
28
29	namespace {
30	if ( ! defined( 'ABSPATH' ) ) {
31	die( 'NO direct access!' );
32	}
33
34	// Freemius SDK removed — Pro is unlocked for everyone, no licensing layer.
35	define( 'EZCACHE_DIR', __DIR__ );
36	define( 'EZCACHE_FILE', __FILE__ );
37	define( 'EZCACHE_URL', plugin_dir_url( __FILE__ ) );
38	define( 'EZCACHE_BASEBANE', basename( __FILE__ ) );
39	define( 'EZCACHE_VERSION', '2.5.4' );
40	define( 'EZCACHE_SETTINGS_KEY', 'ezcache' );
41
42	register_activation_hook( EZCACHE_FILE, 'upress_ezcache_activation_hook' );
43	register_deactivation_hook( EZCACHE_FILE, 'upress_ezcache_deactivation_hook' );
44
45	function upress_ezcache_activation_hook() {
46	$ezcache = Upress\EzCache\Plugin::initialize();
47	$ezcache->activation_hook();
48	}
49
50	function upress_ezcache_deactivation_hook() {
51	$ezcache = Upress\EzCache\Plugin::initialize();
52	$ezcache->deactivation_hook();
53	}
54	}
55
56	namespace Upress\EzCache {
57	class Plugin {
58	private static $instance;
59	public $plugin_dir;
60	public $plugin_file;
61	public $plugin_url;
62	public $plugin_basename;
63	public $plugin_version;
64	public $plugin_settings_key;
65	/** @var Cache $ezcache */
66	public $ezcache;
67
68	/**
69	* @return Plugin
70	*/
71	public static function initialize() {
72	if ( ! self::$instance ) {
73	self::$instance = new self;
74	}
75
76	return self::$instance;
77	}
78
79
80	private function __construct() {
81	$this->plugin_dir = EZCACHE_DIR;
82	$this->plugin_file = EZCACHE_FILE;
83	$this->plugin_url = EZCACHE_URL;
84	$this->plugin_basename = EZCACHE_BASEBANE;
85	$this->plugin_version = EZCACHE_VERSION;
86	$this->plugin_settings_key = EZCACHE_SETTINGS_KEY;
87
88	$this->load_dependencies();
89	$this->initialize_plugin();
90	}
91
92	/**
93	* Import required files
94	*/
95	protected function load_dependencies() {
96	require_once EZCACHE_DIR . '/vendor/autoload.php';
97	}
98
99	/**
100	* Init all the plugin parts
101	*/
102	protected function initialize_plugin() {
103	$this->ezcache = Cache::instance();
104
105	add_action( 'init', [ $this, 'load_translation' ] );
106	add_filter( 'cron_schedules', [ $this, 'add_cron_schedules' ] );
107	add_action( 'init', [ $this, 'maybe_repair_installation' ] );
108
109	new RestApi( $this );
110	new Admin( $this );
111	new AdvancedSettingsPage();
112	new Optimizations();
113	Preload::instance();
114
115	// v2.2.0 features
116	RedisObjectCache::init();
117	SpeculativeLoading::instance()->register();
118	EarlyHints::instance()->register();
119	CriticalCSS::instance()->register();
120
121	add_action( 'ezcache_clear_expired_cache', [ $this->ezcache, 'clear_expired_cache' ] );
122	add_action( 'ezcache_db_cleanup', function () {
123	( new DatabaseOptimizer() )->clean();
124	} );
125	}
126
127	function load_translation() {
128	$locale = apply_filters( 'plugin_locale', get_locale(), 'ezcache' );
129	load_textdomain( 'ezcache', EZCACHE_DIR . "/languages/ezcache-{$locale}.mo" );
130	}
131
132	function get_wp_config_path() {
133	if ( file_exists( ABSPATH . 'wp-config.php' ) ) {
134	return ABSPATH . 'wp-config.php';
135	}
136
137	return dirname( ABSPATH ) . '/wp-config.php';
138	}
139
140	function activation_hook() {
141	set_transient( 'ezcache_activating', true );
142
143	// copy advanced-cache
144	copy( EZCACHE_DIR . '/advanced-cache.php', WP_CONTENT_DIR . '/advanced-cache.php' );
145
146	if ( ! wp_next_scheduled( 'ezcache_clear_expired_cache' ) ) {
147	Settings::maybe_update_cronjobs( Settings::get_settings() );
148	}
149	Updater::upgrade();
150
151	$this->update_wp_config_const( [ 'WP_CACHE' => true ] );
152
153	$this->ezcache->preload_homepage();
154
155	delete_transient( 'ezcache_activating' );
156	}
157
158	function deactivation_hook() {
159	set_transient( 'ezcache_deactivating', true );
160
161	// delete advanced-cache
162	if ( file_exists( WP_CONTENT_DIR . '/advanced-cache.php' ) ) {
163	unlink( WP_CONTENT_DIR . '/advanced-cache.php' );
164	}
165
166	if ( wp_next_scheduled( 'ezcache_clear_expired_cache' ) ) {
167	wp_clear_scheduled_hook( 'ezcache_clear_expired_cache' );
168	}
169
170	delete_site_option( 'ezcache_first_run' );
171
172	$this->update_wp_config_const( [ 'WP_CACHE' => false ] );
173
174	$this->ezcache->clear_cache();
175
176	delete_transient( 'ezcache_deactivating' );
177	}
178
179	/**
180	* Update the wp-config.php file with the specified values
181	*
182	* @param array $args Assoc array of key-value, key is the define to update with the value
183	*/
184	function update_wp_config_const( $args ) {
185	if ( ! is_array( $args ) ) {
186	return;
187	}
188
189	$wp_config_path = $this->get_wp_config_path();
190
191	copy( $wp_config_path, $wp_config_path . '.backup' );
192
193	$contents = file_get_contents( $wp_config_path );
194	$contents = preg_replace( "/\r\n\|\r\|\n/", "\n", $contents ); // normalize line-breaks
195
196	// update wp-config define
197	foreach ( $args as $const => $value ) {
198	if ( is_string( $value ) ) {
199	$value = "'" . str_replace( "'", "\'", $value ) . "'";
200	} elseif ( is_bool( $value ) ) {
201	$value = $value ? 'true' : 'false'; // simply casting to string will result in '1' and ''
202	} else {
203	continue;
204	}
205
206	if ( preg_match( '/define\s?\(\s?[\']' . $const . '[\'"]/', $contents ) ) {
207	$contents = preg_replace( '/define\s?$\s?([\'"])' . $const . '\1,\s(([\'"]).+\3\|.+?)\s$/', "define( '{$const}', {$value} )", $contents );
208	} else {
209	$contents = preg_replace( '/(<\?php)/', "$1\ndefine( '{$const}', {$value} );", $contents );
210	}
211	}
212
213	if ( "\n" !== PHP_EOL ) {
214	// update line-breaks to platform defaults
215	$contents = preg_replace( "/\n/", PHP_EOL, $contents );
216	}
217
218	file_put_contents( $wp_config_path, trim( $contents ) );
219
220	if ( filesize( $wp_config_path ) <= 0 ) {
221	// operation failed, revert the file
222	copy( $wp_config_path . '.backup', $wp_config_path );
223	}
224
225	unlink( $wp_config_path . '.backup' );
226	}
227
228	function add_cron_schedules( $schedules ) {
229	if ( ! isset( $schedules['every_10_minutes'] ) ) {
230	$schedules['every_10_minutes'] = [
231	'interval' => 600,
232	'display' => __( 'Every 10 Minutes', 'ezcache' ),
233	];
234	}
235	if ( ! isset( $schedules['hourly'] ) ) {
236	$schedules['hourly'] = [
237	'interval' => 3600,
238	'display' => __( 'Hourly', 'ezcache' ),
239	];
240	}
241	if ( ! isset( $schedules['every_3_hours'] ) ) {
242	$schedules['every_3_hours'] = [
243	'interval' => 10800,
244	'display' => __( 'Every 3 Hours', 'ezcache' ),
245	];
246	}
247	if ( ! isset( $schedules['every_6_hours'] ) ) {
248	$schedules['every_6_hours'] = [
249	'interval' => 21600,
250	'display' => __( 'Every 6 Hours', 'ezcache' ),
251	];
252	}
253	if ( ! isset( $schedules['every_12_hours'] ) ) {
254	$schedules['every_12_hours'] = [
255	'interval' => 43200,
256	'display' => __( 'Every 12 Hours', 'ezcache' ),
257	];
258	}
259	if ( ! isset( $schedules['daily'] ) ) {
260	$schedules['daily'] = [
261	'interval' => 86400,
262	'display' => __( 'Daily', 'ezcache' ),
263	];
264	}
265	if ( ! isset( $schedules['every_3_days'] ) ) {
266	$schedules['every_3_days'] = [
267	'interval' => 259200,
268	'display' => __( 'Every 3 Days', 'ezcache' ),
269	];
270	}
271	if ( ! isset( $schedules['every_5_days'] ) ) {
272	$schedules['every_5_days'] = [
273	'interval' => 432000,
274	'display' => __( 'Every 5 Days', 'ezcache' ),
275	];
276	}
277	if ( ! isset( $schedules['every_7_days'] ) ) {
278	$schedules['every_7_days'] = [
279	'interval' => 604800,
280	'display' => __( 'Every 7 Days', 'ezcache' ),
281	];
282	}
283
284	return $schedules;
285	}
286
287	/**
288	* Repaire the plugin installation when POST variable is set
289	*/
290	function maybe_repair_installation() {
291	$repaired = get_transient( 'ezcache_repaired' );
292	delete_transient( 'ezcache_repaired' );
293
294	if ( $repaired \|\| get_transient( 'ezcache_deactivating' ) \|\| get_transient( 'ezcache_activating' ) ) {
295	return;
296	}
297
298	if ( ! wp_next_scheduled( 'ezcache_clear_expired_cache' ) ) {
299	Settings::maybe_update_cronjobs( Settings::get_settings() );
300	}
301
302	$status = $this->ezcache->get_status();
303	if ( $status['cache_enabled'] && $status['adv_cache_exists'] && $status['adv_cache_exists'] && $status['correct_cache_exists'] && $status['webp_table_exists'] ) {
304	return;
305	}
306
307	$this->activation_hook();
308
309	set_transient( 'ezcache_repaired', true );
310	}
311	}
312
313	add_action( 'plugins_loaded', '\Upress\EzCache\Plugin::initialize' );
314	add_action( 'plugins_loaded', function() { \Upress\EzCache\PremiumFeatures::maybe_start_trial(); }, 20 );
315	}
316